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Daniel Boone: Wind turbine based energy storage system and method using heavy weighted devices. Gary P Topolosky, May 17, 2011: US07944075 (3 worldwide citation)

An energy storage system, and related method, comprises a plurality of wind turbines, each with a vertical shaft that passes through a support platform. One or more braces may be affixed to each vertical shaft at one end of this platform, at an angle of less than 60 degrees, preferably about 45 degr ...


2
Daniel Boone: Wind turbine based energy storage system and method using heavy weighted devices. Gary P Topolosky, March 12, 2009: US20090066090-A1

An energy storage system, and related method, comprises a plurality of wind turbines, each with a vertical shaft that passes through a support platform. One or more braces may be affixed to each vertical shaft at one end of this platform, at an angle of less than 60 degrees, preferably about 45 degr ...